ATE322098T1 - VOLTAGE DROP AND OVERVOLTAGE COMPENSATION DEVICE WITH PULSE WIDTH MODULATED TRANSFORMER - Google Patents

VOLTAGE DROP AND OVERVOLTAGE COMPENSATION DEVICE WITH PULSE WIDTH MODULATED TRANSFORMER

Info

Publication number
ATE322098T1
ATE322098T1 AT02797290T AT02797290T ATE322098T1 AT E322098 T1 ATE322098 T1 AT E322098T1 AT 02797290 T AT02797290 T AT 02797290T AT 02797290 T AT02797290 T AT 02797290T AT E322098 T1 ATE322098 T1 AT E322098T1
Authority
AT
Austria
Prior art keywords
switching
voltage
switching element
compensation device
autotransformer
Prior art date
Application number
AT02797290T
Other languages
German (de)
Inventor
Dong-Myung Lee
Joseph R Rostron
Original Assignee
Ssi Power Llc
Georgia Tech Res Inst
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ssi Power Llc, Georgia Tech Res Inst filed Critical Ssi Power Llc
Application granted granted Critical
Publication of ATE322098T1 publication Critical patent/ATE322098T1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/275—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/293—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only

Abstract

A voltage sag and over-voltage compensation device for an AC electric power distribution system employing cascaded switching devices and a pulse width modulated autotransformer. The autotransformer typically includes lower, center, and upper poles or taps with cascaded switching devices for selectively connecting the voltage source (i.e., a phase of the distribution line) between the lower pole and the center or upper poles. Each stage of the cascaded switching device includes a switching element located within a full-bridge rectifier circuit to allow bi-directional switching through each switching element (i.e., switching through the same switching element during the positive and negative portions of the AC voltage cycle). Each full-bridge rectifier also includes a snubber circuit connected in parallel with a corresponding switching element to absorb the current discharge caused by switching the input power supply to the autotransformer through the corresponding switching device under non-zero current conditions. On the output side, the voltage sag and over-voltage compensation device includes a load capacitor to smooth the voltage-corrected AC power supply toward a sinusoidal power supply at the system frequency, and a notch filter to remove noise created by the switching elements.
AT02797290T 2001-12-14 2002-12-12 VOLTAGE DROP AND OVERVOLTAGE COMPENSATION DEVICE WITH PULSE WIDTH MODULATED TRANSFORMER ATE322098T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34019401P 2001-12-14 2001-12-14
US10/091,866 US6559562B1 (en) 2001-12-14 2002-03-06 Voltage sag and over-voltage compensation device with pulse width modulated autotransformer

Publications (1)

Publication Number Publication Date
ATE322098T1 true ATE322098T1 (en) 2006-04-15

Family

ID=26784419

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02797290T ATE322098T1 (en) 2001-12-14 2002-12-12 VOLTAGE DROP AND OVERVOLTAGE COMPENSATION DEVICE WITH PULSE WIDTH MODULATED TRANSFORMER

Country Status (6)

Country Link
US (2) US6559562B1 (en)
EP (1) EP1454407B1 (en)
AT (1) ATE322098T1 (en)
AU (2) AU2002356966A1 (en)
DE (1) DE60210334T2 (en)
WO (2) WO2003052914A1 (en)

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US8149579B2 (en) * 2008-03-28 2012-04-03 Johnson Controls Technology Company Cooling member
EP2113140B1 (en) * 2007-02-20 2013-07-17 ABB Limited Flux control system for active voltage conditioning
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US9768704B2 (en) * 2009-02-06 2017-09-19 Abb Research Ltd. Hybrid distribution transformer having a power electronic module for controlling input power factor and output voltage
CA2752816A1 (en) * 2009-02-27 2010-09-02 Abb Research Ltd. A hybrid distribution transformer with an integrated voltage source converter
US9634490B2 (en) * 2011-02-08 2017-04-25 General Electric Company Dynamic voltage restoration system and method
US9281756B2 (en) * 2011-11-11 2016-03-08 Varentec, Inc. Power flow controller with a fractionally rated back-to-back converter
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US9815381B2 (en) * 2015-02-27 2017-11-14 Qualcomm Incorporated Systems, methods, and apparatus for partial electronics integration in vehicle pads for wireless power transfer applications
CN109254611B (en) * 2018-11-15 2020-07-31 湖南工业大学 Self-coupling compensation type AC voltage-stabilizing controller
CN109995135B (en) * 2019-05-13 2024-01-26 沈阳睿捷电力科技有限公司 Industrial uninterrupted seamless switching inverter power supply device for solving voltage sag problem
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Also Published As

Publication number Publication date
AU2002361651A8 (en) 2003-06-30
WO2003052907A2 (en) 2003-06-26
WO2003052914A1 (en) 2003-06-26
US6750563B2 (en) 2004-06-15
WO2003052907A3 (en) 2003-10-30
EP1454407B1 (en) 2006-03-29
DE60210334D1 (en) 2006-05-18
US20030111910A1 (en) 2003-06-19
EP1454407A2 (en) 2004-09-08
AU2002361651A1 (en) 2003-06-30
DE60210334T2 (en) 2006-12-14
US6559562B1 (en) 2003-05-06
AU2002356966A1 (en) 2003-06-30

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